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#1 |
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Might be helpful to know more about the engine type, ignition type, distributor, etc. Does it crank over but just not start? Have you removed a plug wire and have spark at the plug? Checked the rotor and cap? If you have spark at the plug, it must be fuel related. Years, many years, ago a guy taught me about engines. There are three things that every engine must have, air (he breathed real deep and confidently said that there was plenty), fuel (pumped the accelerator, and fuel came out), now just needed spark. If there is fuel, air, and spark, then maybe a timing issue. Does it crank over smoothly?
Dan
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Dan Foley SC 4698 Last edited by voltdr; 05-23-2018 at 08:59 AM. |
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#2 |
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Dan, Yes to all your response.
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#3 | |
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#4 |
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Thoughts;
Do you have access to live data with an onboard display or controller? If so, check that all sensors are showing a normal value. *Ambient air temp correct? *Coolant temp correct? *TPS correct? *MAP correct? [connect a vacuum source to the MAP, it should show a voltage range with different vacuum levels applied] *Fuel pressure correct? *Are the injectors pulsing? [check with noid light tester or "listen" for the injector ticking with a listening device]
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Larry Woodfin 471W |
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#5 |
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Here's a update. It has no spark or fuel.
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#6 |
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With that information, check for power and ground to the controller
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Larry Woodfin 471W |
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#7 |
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We are checking the ignition panel now.
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#8 |
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Your issue appears to be the big stuff is not receiving engine position information (no crank sensor input) not familiar with their stuff but I'd think they would have an LED somewhere on the box that blinks each time it sees a crank sensor pulse. No pulse equals no spark or injector activity.
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Joe Buchanan SS/BX 3117 |
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